aboutsummaryrefslogtreecommitdiff
path: root/src/main/java/ch/ethz/ssh2/packets/PacketKexDHReply.java
blob: 1d6510f7f531951dd4afee51d558f4fd4c046cb2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
/*
 * Copyright (c) 2006-2011 Christian Plattner. All rights reserved.
 * Please refer to the LICENSE.txt for licensing details.
 */
package ch.ethz.ssh2.packets;

import java.io.IOException;

import java.math.BigInteger;

/**
 * PacketKexDHReply.
 * 
 * @author Christian Plattner
 * @version 2.50, 03/15/10
 */
public class PacketKexDHReply
{
	byte[] payload;

	byte[] hostKey;
	BigInteger f;
	byte[] signature;
	
	public PacketKexDHReply(byte payload[], int off, int len) throws IOException
	{
		this.payload = new byte[len];
		System.arraycopy(payload, off, this.payload, 0, len);

		TypesReader tr = new TypesReader(payload, off, len);

		int packet_type = tr.readByte();

		if (packet_type != Packets.SSH_MSG_KEXDH_REPLY)
			throw new IOException("This is not a SSH_MSG_KEXDH_REPLY! ("
					+ packet_type + ")");

		hostKey = tr.readByteString();
		f = tr.readMPINT();
		signature = tr.readByteString();

		if (tr.remain() != 0) throw new IOException("PADDING IN SSH_MSG_KEXDH_REPLY!");
	}

	public BigInteger getF()
	{
		return f;
	}
	
	public byte[] getHostKey()
	{
		return hostKey;
	}

	public byte[] getSignature()
	{
		return signature;
	}
}